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Suppose that during the most recent fiscal year, the annual revenue of Acme Computer was $138$ billion dollars and its net profit was $8$ billion dollars, the annual revenue of Nadir Software was $87$ billion dollars and its net profit was $5$ billion dollars, and the annual revenue of Quixote Media was 111 billion dollars and its net profit was $13$ billion dollars.
Determine the truth value of each of these propositions for the most recent fiscal year. Which is/are True ?
1. Nadir Software had the smallest net profit if and only if Acme Computer had the largest annual revenue.
3. Acme Computer had the largest net profit or Quixote Media had the largest net profit.
4. If Quixote Media had the smallest net profit, then Acme Computer had the largest annual revenue.

A. Both parts of this biconditional statement are true, so by the truth-table definition this is a true statement.
B. Both parts of this conjunction are true, so the statement is true.
C. The second part of this disjunction is true, so the statement is true.
D. The hypothesis of this conditional statement is false and the   conclusion is true, so by the truth-table definition this is a true statement. (Either of those conditions would have been enough to make the statement true.)